423940160 has 168 divisors, whose sum is σ = 1237000320. Its totient is φ = 137604096.

The previous prime is 423940157. The next prime is 423940189. The reversal of 423940160 is 61049324.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297209 + ... + 298631.

Almost surely, 2^423940160 is an apocalyptic number.

423940160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423940160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618500160).

423940160 is an abundant number, since it is smaller than the sum of its proper divisors (813060160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423940160 is a wasteful number, since it uses less digits than its factorization.

423940160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 423940160 is about 20589.8071870525. The cubic root of 423940160 is about 751.2218070211.

Adding to 423940160 its reverse (61049324), we get a palindrome (484989484).

The spelling of 423940160 in words is "four hundred twenty-three million, nine hundred forty thousand, one hundred sixty".